While the web viewer supports a variety of codecs, the native viewer supports only the AV1 codec for the moment, but we plan to support H.264 in the near future as well. Read more about our video supports (and its limits) in our video docs.

⚠️ Breaking changes

🗾 Blueprint files (.rbl) from previous Rerun versions will no longer load automatically
🐧 Linux: Rerun now requires glibc 2.17+
🦀 Rust: The minimum supported Rust version is now 1.79

🧳 Migration guide: http://rerun.io/docs/reference/migration/migration-0-19

🔎 Details

📑 Raw changelog: https://github.com/rerun-io/rerun/compare/0.18.2...0.19.0

🪵 Log API

BGR(A) image format support #7238
Tensor & depth image value ranges can now be configured, from UI & code #7549
New planar pixel formats: Y_U_V24/Y_U_V16/Y_U_V12 - _LimitedRange/FullRange #7666
Add ShowLabels component, which controls whether instances’ labels are shown #7249 (thanks @kpreid!)
Refactor MediaType guessing #7326

🌊 C++ API

Add nullptr check when forwarding from component to datatype #7430

🐍 Python API

Add missing show_labels and draw_order arguments in Python API #7363 (thanks @kpreid!)
Allow logging to a recording without first calling rr.init() #7698
Add support for NumPy arrays to the arrow serializer for string datatypes #7689

🦀 Rust API

Update MSRV to Rust 1.79 #7563
Update ndarray to 0.16 and ndarray-rand to 0.15 #7358 (thanks @benliepert!)
Replace host_web_viewer method with WebViewerConfig::host_web_viewer #7553
Fix Rust's TimeColumn::new_seconds/new_nanos creating sequence timelines #7402

🪳 Bug fixes

Purge the query cache to prevent GC livelocks #7370
Bug fix: always show latest data in follow-mode #7425
Fix encoded image being suggested for non-image blobs (like video) #7428
Chunk store: support for overlapped range queries #7586
Fix image & video cache creating new entries when selecting data without explicit media type #7590

🌁 Viewer improvements

The viewer will tail an .rrd that's is being written to #7475
Native video support for AV1 #7557
Allow splitting entity path expressions with whitespace #7782

🚀 Performance improvements

Improve performance for scenes with many entities & transforms #7456
Caches per recording #7513
Automatic removal of unreachable static chunks #7518
Invalidate hub-wide caches on deletions and overwrites #7525
Do not cache static entries in the query-time latest-at cache #7654
Make sure Arrow filter and take kernels early out where it makes sense #7704